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Finding the Fourth Proportional to 8,396.92, 12,595.74 and 2,553.58

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Solution

The fourth proportional to 8,396.92, 12,595.74 and 2,553.58 is: 3,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.92 : 12,595.74 = 2,553.58 : x
  2. Step 2: Convert to fraction form
    8,396.92/12,595.74 = 2,553.58/x
  3. Step 3: Cross multiply
    8,396.92x = 12,595.74 × 2,553.58
  4. Step 4: Simplify right side
    8,396.92x = 32,164,229.75
  5. Step 5: Solve for x
    x = 32,164,229.75/8,396.92
  6. Step 6: Final answer
    x = 3,830.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.